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| author | Paul Durrant <paul.durrant@citrix.com> | 2018-05-31 11:01:13 -0700 |
|---|---|---|
| committer | Stefano Stabellini <sstabellini@kernel.org> | 2018-05-31 12:05:01 -0700 |
| commit | dfb6578d69d60e464be36dafed9741dcfd73d2cf (patch) | |
| tree | 3bc4adf6677e1baeae2524678888e49ea6c4a1da /linux-user | |
| parent | d3c49ebbe26b48615e14b8baa88a59cd33761ea6 (diff) | |
| download | qemu-dfb6578d69d60e464be36dafed9741dcfd73d2cf.zip qemu-dfb6578d69d60e464be36dafed9741dcfd73d2cf.tar.gz qemu-dfb6578d69d60e464be36dafed9741dcfd73d2cf.tar.bz2 | |
xen-hvm: stop faking I/O to access PCI config space
This patch removes the current hackery where IOREQ_TYPE_PCI_CONFIG
requests are handled by faking PIO to 0xcf8 and 0xcfc and replaces it
with direct calls to pci_host_config_read/write_common().
Doing so necessitates mapping BDFs to PCIDevices but maintaining a simple
QLIST in xen_device_realize/unrealize() will suffice.
NOTE: whilst config space accesses are currently limited to
PCI_CONFIG_SPACE_SIZE, this patch paves the way to increasing the
limit to PCIE_CONFIG_SPACE_SIZE when Xen gains the ability to
emulate MCFG table accesses.
Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Reviewed-by: Anthony PERARD <anthony.perard@citrix.com>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
Diffstat (limited to 'linux-user')
0 files changed, 0 insertions, 0 deletions